Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/browser/ui/views/frame/browser_view.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 1014 matching lines @@
 
 bool BrowserView::SupportsFullscreenWithToolbar() const {
   return false;
 }
 
 void BrowserView::UpdateFullscreenWithToolbar(bool with_toolbar) {
   // This is currently a Mac only feature.
   NOTIMPLEMENTED();
 }
 
+void BrowserView::ToggleFullscreenToolbar() {
+  // This is currently a Mac only feature.
+  NOTIMPLEMENTED();
+}
+
 bool BrowserView::IsFullscreenWithToolbar() const {
   return false;
 }
 
+bool BrowserView::ShouldHideFullscreenToolbar() const {
+  return false;
+}
+
 #if defined(OS_WIN)
 void BrowserView::SetMetroSnapMode(bool enable) {
   LOCAL_HISTOGRAM_COUNTS("Metro.SnapModeToggle", enable);
   ProcessFullscreen(enable, METRO_SNAP_FULLSCREEN, GURL(),
                     EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE);
 }
 
 bool BrowserView::IsInMetroSnapMode() const {
   return false;
 }
@@ skipping 1603 matching lines @@
   return immersive_mode_controller()->IsEnabled();
 }
 
 views::Widget* BrowserView::GetBubbleAssociatedWidget() {
   return GetWidget();
 }
 
 gfx::Rect BrowserView::GetTopContainerBoundsInScreen() {
   return top_container_->GetBoundsInScreen();
 }